Home / 18,402,067.67-27,603,097.83-4,938,895.67

Finding the Fourth Proportional to 18,402,067.67, 27,603,097.83 and 4,938,895.67

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Solution

The fourth proportional to 18,402,067.67, 27,603,097.83 and 4,938,895.67 is: 7,408,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,067.67 : 27,603,097.83 = 4,938,895.67 : x
  2. Step 2: Convert to fraction form
    18,402,067.67/27,603,097.83 = 4,938,895.67/x
  3. Step 3: Cross multiply
    18,402,067.67x = 27,603,097.83 × 4,938,895.67
  4. Step 4: Simplify right side
    18,402,067.67x = 136,328,820,213,157.91
  5. Step 5: Solve for x
    x = 136,328,820,213,157.91/18,402,067.67
  6. Step 6: Final answer
    x = 7,408,342.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.